dt-bindings: arm: Convert UniPhier board/SoC bindings to json-schema

Convert the Socionext UniPhier board/SoC binding to DT schema format.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/arm/socionext/uniphier.txt

-Socionext UniPhier SoC family
------------------------------
-
-Required properties in the root node:
-  - compatible: should contain board and SoC compatible strings
-
-SoC and board compatible strings:
-  (sorted chronologically)
-
-  - LD4 SoC:  "socionext,uniphier-ld4"
-      - Reference Board: "socionext,uniphier-ld4-ref"
-
-  - Pro4 SoC: "socionext,uniphier-pro4"
-      - Reference Board: "socionext,uniphier-pro4-ref"
-      - Ace Board:       "socionext,uniphier-pro4-ace"
-      - Sanji Board:     "socionext,uniphier-pro4-sanji"
-
-  - sLD8 SoC: "socionext,uniphier-sld8"
-      - Reference Board: "socionext,uniphier-sld8-ref"
-
-  - PXs2 SoC: "socionext,uniphier-pxs2"
-      - Gentil Board:    "socionext,uniphier-pxs2-gentil"
-      - Vodka Board:     "socionext,uniphier-pxs2-vodka"
-
-  - LD6b SoC: "socionext,uniphier-ld6b"
-      - Reference Board: "socionext,uniphier-ld6b-ref"
-
-  - LD11 SoC: "socionext,uniphier-ld11"
-      - Reference Board: "socionext,uniphier-ld11-ref"
-      - Global Board:    "socionext,uniphier-ld11-global"
-
-  - LD20 SoC: "socionext,uniphier-ld20"
-      - Reference Board: "socionext,uniphier-ld20-ref"
-      - Global Board:    "socionext,uniphier-ld20-global"
-
-  - PXs3 SoC: "socionext,uniphier-pxs3"
-      - Reference Board: "socionext,uniphier-pxs3-ref"
-
-Example:
-
-/dts-v1/;
-
-/ {
-	compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20";
-
-	...
-};

Documentation/devicetree/bindings/arm/socionext/uniphier.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/socionext/uniphier.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier platform device tree bindings
+
+maintainers:
+  - Masahiro Yamada <yamada.masahiro@socionext.com>
+
+properties:
+  $nodename:
+    const: /
+  compatible:
+    oneOf:
+      - description: LD4 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-ld4-ref
+          - const: socionext,uniphier-ld4
+      - description: Pro4 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-pro4-ace
+            - socionext,uniphier-pro4-ref
+            - socionext,uniphier-pro4-sanji
+          - const: socionext,uniphier-pro4
+      - description: sLD8 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-sld8-ref
+          - const: socionext,uniphier-sld8
+      - description: PXs2 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-pxs2-gentil
+            - socionext,uniphier-pxs2-vodka
+          - const: socionext,uniphier-pxs2
+      - description: LD6b SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-ld6b-ref
+          - const: socionext,uniphier-ld6b
+      - description: LD11 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-ld11-global
+            - socionext,uniphier-ld11-ref
+          - const: socionext,uniphier-ld11
+      - description: LD20 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-ld20-global
+            - socionext,uniphier-ld20-ref
+          - const: socionext,uniphier-ld20
+      - description: PXs3 SoC boards
+        items:
+          - enum:
+            - socionext,uniphier-pxs3-ref
+          - const: socionext,uniphier-pxs3

MAINTAINERS

@@ -2546,7 +2546,7 @@ M:	Masahiro Yamada <yamada.masahiro@socionext.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier.git
 S:	Maintained
-F:	Documentation/devicetree/bindings/arm/socionext/uniphier.txt
+F:	Documentation/devicetree/bindings/arm/socionext/uniphier.yaml
 F:	Documentation/devicetree/bindings/gpio/gpio-uniphier.txt
 F:	Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.txt
 F:	arch/arm/boot/dts/uniphier*